But when Alexander, 26, slips an unlabeled jazz recording from the early 20th-century on to a nearby turntable, he isn’t just spinning some tunes he wants to share.

He’s holding more than a hundred years of history in his hands.

“It isn’t labeled,’’ he says. “We’ll never know who is performing, which is a shame because it’s really good.’’

Alexander isn’t rooting through someone’s attic, marveling at dusty curiosities from another time. Rather, he’s contemplating one piece of a much larger legacy now being kept safe at The Vault, his new business housed in a former bank on the White Horse Pike in Berlin.

In this unlikely location, The Vault is not much to look at from the outside. You could easily drive right by. That would be a shame, though, because inside awaits a magical mystery tour of our musical past.